1122140566 has 4 divisors (see below), whose sum is σ = 1683210852. Its totient is φ = 561070282.

The previous prime is 1122140561. The next prime is 1122140581. The reversal of 1122140566 is 6650412211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122140561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280535140 + ... + 280535143.

It is an arithmetic number, because the mean of its divisors is an integer number (420802713).

Almost surely, 2^1122140566 is an apocalyptic number.

1122140566 is a deficient number, since it is larger than the sum of its proper divisors (561070286).

1122140566 is an equidigital number, since it uses as much as digits as its factorization.

1122140566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561070285.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1122140566 is about 33498.3666168964. The cubic root of 1122140566 is about 1039.1599991112.

Adding to 1122140566 its reverse (6650412211), we get a palindrome (7772552777).

The spelling of 1122140566 in words is "one billion, one hundred twenty-two million, one hundred forty thousand, five hundred sixty-six".